Examlex
A(n) is a sample obtained by dividing the population into
subgroups according to various homogeneous characteristics and then selecting
members from each subgroup for the sample.
Migrants
Individuals who move from one region or country to another, often for reasons such as seeking employment, better living conditions, or escaping conflict.
Natural Resource
Resources like minerals, forests, water, and fertile land that exist naturally and can be exploited for financial profit.
Copper
A chemical element with symbol Cu and atomic number 29, known for its high thermal and electrical conductivity, often used in electrical wiring and plumbing.
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